diff --git a/Modules/timemodule.c b/Modules/timemodule.c
index a24728a..faed0e1 100644
--- a/Modules/timemodule.c
+++ b/Modules/timemodule.c
@@ -549,7 +549,7 @@
         if (outbuf[1]=='#')
             ++outbuf; /* not documented by python, */
         if (outbuf[1]=='\0' ||
-            !wcschr(L"aAbBcdfHIjmMpSUwWxXyYzZ%", outbuf[1]))
+            !wcschr(L"aAbBcdHIjmMpSUwWxXyYzZ%", outbuf[1]))
         {
             PyErr_SetString(PyExc_ValueError, "Invalid format string");
             return 0;